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Questions and Answers
What is the fundamental cause of restricted geographical distributions in fish species?
What is the fundamental cause of restricted geographical distributions in fish species?
The heterogeneity of the physical environment.
How can physical barriers prevent gene flow between fish populations?
How can physical barriers prevent gene flow between fish populations?
By preventing the movement of individuals between populations.
Why is the heterogeneity of the physical environment important at an evolutionary level?
Why is the heterogeneity of the physical environment important at an evolutionary level?
It can lead to speciation by preventing gene flow between populations.
What is the role of physical barriers at a biogeographical level?
What is the role of physical barriers at a biogeographical level?
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Give an example of a fish species with a restricted distribution.
Give an example of a fish species with a restricted distribution.
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What is the Devil's Hole pupfish and where is it found?
What is the Devil's Hole pupfish and where is it found?
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What is the significance of physical barriers in the distribution of fish species?
What is the significance of physical barriers in the distribution of fish species?
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Give an example of a fish species with a transoceanic distribution.
Give an example of a fish species with a transoceanic distribution.
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Why is the heterogeneity of the physical environment important for the evolution of fish species?
Why is the heterogeneity of the physical environment important for the evolution of fish species?
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How can physical barriers affect the colonization of new areas by fish species?
How can physical barriers affect the colonization of new areas by fish species?
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